Characteristics
- INCI
- Decyl Oleate
- CAS
-
3687-46-5
This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.
- EC
-
222-981-6
This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.
- IUPAC
- Decyl Oleate
- Functions
- emollient, skin conditioning
- Irritancy
-
0 / 5
Irritation potential: 0–5, where 5 is the highest irritation rating for the ingredient.
More detail → - Comedogen.
-
3 / 5
Comedogenicity index: 0–5. A non-comedogenic ingredient (0–1) is unlikely to cause cosmetic acne.
More detail →
Who it's for
Description
Decyl Oleate is a lightweight emollient made by combining decyl alcohol with oleic acid, a fatty acid often derived from plant oils. In skincare and haircare, it’s used mainly to soften, smooth, and improve spreadability. It gives formulas a silky, less greasy feel and can help reduce the drag that richer oils sometimes leave behind. You’ll often find it in creams, lotions, cleansers, sunscreens, makeup, and hair products where a more elegant texture is desired.
For skin, Decyl Oleate helps support a comfortable, conditioned feel and can make dry or rough-feeling skin seem softer and more supple. For hair, it can add slip and a smoother finish, which may be especially appealing in conditioners, serums, and styling products. People who like lightweight, fast-spreading formulas often enjoy it, especially if heavier butters or oils feel too rich.
Caveat: while it’s generally valued for its texture benefits, very rich emollients can feel too heavy for some oily or blemish-prone users, depending on the full formula. As with any ingredient, the overall product matters more than the ingredient alone.
Products with Decyl Oleate (661 total)
Most often found in Soraya products (17 items)
